1 Flashcards
1
Q
first true periodic table
A
antoine lavoisier
2
Q
triad
A
johann dobereiner
3
Q
octaves
A
newland
4
Q
phys and chem properties are periodic fx of their atomic wt
A
meyer & mendeleev
5
Q
modern periodic table
A
henry moseley
6
Q
period total
A
7
7
Q
family/grp total
A
18
8
Q
how many elements
A
118
9
Q
lightest element
A
hydrogen
10
Q
lightest metal
A
lithium
11
Q
2nd lightest element
A
helium
12
Q
densest element
A
osmium
13
Q
liquid metal
A
mercury
14
Q
inert gases
A
he, ne, ar, kr, xe, rn, uuo
15
Q
diatomic elements
A
I F H O N Cl Br
